Moving and Displaying an Image in Java

/* REMEMBER, IF YOU WANT THE IMAGE TO APPEAR YOU MUST PUT THE PICTURE INSIDE OF ECLIPSE WHICH MEANS YOU DRAG
THE IMAGE INTO THE SRC OF THE ECLIPSE. */

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class Sam extends JApplet implements MouseMotionListener, MouseListener, KeyListener
{
        int xPos = 0;
        int yPos = 0; // Position of Icon
        int width, height; // Dimensions of Icon
        Image pic;
        int xDis = 0;
        int yDis = 0; // Displacement of Icon while dragged
        int mousex = 0;
        int mousey = 0;

        int x = 5;
        int y = 5;

        Point mousePosition;

        public void init()
        {
                width = 1500; // Where the width is from where you can drag the image
                height = 1500; // Where the height is from where you can drag the image
                setContentPane(new DrawingPanel());

                addMouseMotionListener(this);
                addMouseListener(this);
                addKeyListener(this);
                setFocusable(true);

                setSize(900, 900);

                pic = getImage(getDocumentBase(), "images.jpg");

        }

        public void mouseMoved(MouseEvent e){}

        public void mousePressed(MouseEvent e)
        {
                mousePosition = e.getPoint();
                mousex = (int)mousePosition.getX();
                mousey = (int)mousePosition.getY();
                System.out.println(mousex);
                System.out.println(mousey);
        }


        public void mouseDragged(MouseEvent e)
        {

                if(mousex  > xPos
                && mousex < xPos + width
                && mousey > yPos
                && mousey < yPos + height)
                {

                        xDis = e.getX()-mousex;
                        yDis = e.getY()-mousey;
                        xPos = xPos + xDis;
                        yPos = yPos + yDis;
                        repaint();
                }

                mousePosition = e.getPoint();
                mousex = (int)mousePosition.getX();
                mousey = (int)mousePosition.getY();
        }

        public void mouseClicked(MouseEvent e){}

        public void mouseReleased(MouseEvent e){}

        public void mouseEntered (MouseEvent e){}

        public void mouseExited (MouseEvent e){}

        public void keyTyped(KeyEvent e){}


        public void keyPressed(KeyEvent e)
        {
                if (e.getKeyCode() == KeyEvent.VK_UP)
                {
                        if(yPos != 0) // Wall Barriers
                        {
                                yPos = yPos - y;
                                repaint();
                        }
                }
                if (e.getKeyCode() == KeyEvent.VK_DOWN)
                {
                        if(yPos != 100) // Wall Barriers
                        {
                                yPos = yPos + y;
                                repaint();
                        }
                }
                if (e.getKeyCode() == KeyEvent.VK_LEFT)
                {
                        if(xPos != 0) // Wall Barriers
                        {
                                xPos = xPos - x;
                                repaint();
                        }
                }
                if (e.getKeyCode() == KeyEvent.VK_RIGHT)
                {
                        if(xPos != 100) // Wall Barriers
                        {
                                xPos = xPos + x;
                                repaint();
                        }
                }
        }
        public void keyReleased(KeyEvent e){}

        @SuppressWarnings("serial")
		public class DrawingPanel extends JPanel
        {
                public void paintComponent(Graphics g)
                {
                        super.paintComponent(g);
                        g.drawImage(pic, xPos, yPos,this);
                }
        }
}